public void WriteVariablesToDiskCache(GitVersionCacheKey cacheKey, VersionVariables variablesFromCache)
{
var cacheDir = PrepareCacheDirectory();
var cacheFileName = GetCacheFileName(cacheKey, cacheDir);
variablesFromCache.FileName = cacheFileName;
Dictionary <string, string> dictionary;
using (log.IndentLog("Creating dictionary"))
{
dictionary = variablesFromCache.ToDictionary(x => x.Key, x => x.Value);
}
void WriteCacheOperation()
{
using var stream = fileSystem.OpenWrite(cacheFileName);
using var sw = new StreamWriter(stream);
using (log.IndentLog("Storing version variables to cache file " + cacheFileName))
{
var serializer = new Serializer();
serializer.Serialize(sw, dictionary);
}
}
var retryOperation = new OperationWithExponentialBackoff <IOException>(new ThreadSleep(), log, WriteCacheOperation, maxRetries: 6);
retryOperation.ExecuteAsync().Wait();
}
public VersionVariables LoadVersionVariablesFromDiskCache(GitVersionCacheKey key)
{
using (log.IndentLog("Loading version variables from disk cache"))
{
var cacheDir = PrepareCacheDirectory();
var cacheFileName = GetCacheFileName(key, cacheDir);
if (!fileSystem.Exists(cacheFileName))
{
log.Info("Cache file " + cacheFileName + " not found.");
return(null);
}
using (log.IndentLog("Deserializing version variables from cache file " + cacheFileName))
{
try
{
var loadedVariables = VersionVariables.FromFile(cacheFileName, fileSystem);
return(loadedVariables);
}
catch (Exception ex)
{
log.Warning("Unable to read cache file " + cacheFileName + ", deleting it.");
log.Info(ex.ToString());
try
{
fileSystem.Delete(cacheFileName);
}
catch (Exception deleteEx)
{
log.Warning($"Unable to delete corrupted version cache file {cacheFileName}. Got {deleteEx.GetType().FullName} exception.");
}
return(null);
}
}
}
}
private static string GetCacheFileName(GitVersionCacheKey key, string cacheDir)
{
return(Path.Combine(cacheDir, string.Concat(key.Value, ".yml")));
}